20988812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23743}}^1$

素因数の和:23777

約数の個数: 24

約数和(自身を含む): 41884416

約数和(自身を除く): 20895604

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23743, 47486, 94972, 308659, 403631, 617318, 807262, 1234636, 1614524, 5247203, 10494406, 20988812]

約数ペア:

[(1, 20988812), (2, 10494406), (4, 5247203), (13, 1614524), (17, 1234636), (26, 807262), (34, 617318), (52, 403631), (68, 308659), (221, 94972), (442, 47486), (884, 23743)]